1 files changed, 41 insertions, 14 deletions
diff --git a/rpc/xdr/src/xdr-generic.c b/rpc/xdr/src/xdr-generic.c
index f7e09482b..58d1ee77e 100644
--- a/rpc/xdr/src/xdr-generic.c
+++ b/rpc/xdr/src/xdr-generic.c
@@ -1,20 +1,11 @@
 /*
-  Copyright (c) 2007-2010 Gluster, Inc. <http://www.gluster.com>
+  Copyright (c) 2007-2012 Red Hat, Inc. <http://www.redhat.com>
   This file is part of GlusterFS.
 
-  GlusterFS is free software; you can redistribute it and/or modify
-  it under the terms of the GNU Affero General Public License as published
-  by the Free Software Foundation; either version 3 of the License,
-  or (at your option) any later version.
-
-  GlusterFS is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-  Affero General Public License for more details.
-
-  You should have received a copy of the GNU Affero General Public License
-  along with this program.  If not, see
-  <http://www.gnu.org/licenses/>.
+  This file is licensed to you under your choice of the GNU Lesser
+  General Public License, version 3 or any later version (LGPLv3 or
+  later), or the GNU General Public License, version 2 (GPLv2), in all
+  cases as published by the Free Software Foundation.
 */
 
 
@@ -96,3 +87,39 @@ xdr_to_generic_payload (struct iovec inmsg, void *args, xdrproc_t proc,
 ret:
         return ret;
 }
+
+ssize_t
+xdr_length_round_up (size_t len, size_t bufsize)
+{
+        int     roundup = 0;
+
+        roundup = len % XDR_BYTES_PER_UNIT;
+        if (roundup > 0)
+                roundup = XDR_BYTES_PER_UNIT - roundup;
+
+        if ((roundup > 0) && ((roundup + len) <= bufsize))
+                len += roundup;
+
+        return len;
+}
+
+int
+xdr_bytes_round_up (struct iovec *vec, size_t bufsize)
+{
+        vec->iov_len = xdr_length_round_up (vec->iov_len, bufsize);
+        return 0;
+}
+
+
+void
+xdr_vector_round_up (struct iovec *vec, int vcount, uint32_t count)
+{
+        uint32_t round_count = 0;
+
+        round_count = xdr_length_round_up (count, 1048576);
+        round_count -= count;
+        if (round_count == 0 || vcount <= 0)
+                return;
+
+        vec[vcount-1].iov_len += round_count;
+}